Boostnote - Boostnote is an open-source note-taking​ app.

Checkvist - A professional list-making tool. Minimalist, keyboard-centric online outliner and task management application. Free sharing, unlimited lists, cross-linking, free import and export. Markdown support. Created for geeks 🤓 and all keyboard lovers ⌨️

Supernotes - The fastest way to take notes and collaborate with friends. Create notecards with Markdown, LaTeX, images, emojis and more. Get started for free!

Draft - A tool for developers to create cloud-native applications on Kubernetes

OneNote - Get the OneNote app for free on your tablet, phone, and computer, so you can capture your ideas and to-do lists in one place wherever you are. Or try OneNote with Office for free.

Joplin - Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.